package com.lara;

import java.util.ArrayList;

public class Manager15 {
public static void main(String[] args) {
	ArrayList list=new ArrayList();
	list.add(90);
	list.add(80);
	list.add(60);
	list.add(20);
	System.out.println(list);
	list.set(2, "abc");
	System.out.println(list);
}
}
